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The sole flapped off one boot, and he tied it to the upper with a piece of string from his pack.
一只靴的底脱落了，他只好从背囊上扯下一条绳子，把靴底跟靴面绑紧。
youdao
Specialized in design & manufacture sweater knitting upper, boot shaft, lining and so on.
专业设计，生产毛线靴筒，靴面，鞋面，毛线里布等。
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